http://weblogs.asp.net/dwahlin/archive/tags/Video/default.aspx
http://blogs.interfacett.com/dan-wahlins-blog/2007/1/18/video-creating-custom-events-and-delegates-with-c.html
http://www.bestechvideos.com/2007/01/18/video-creating-custom-events-and-delegates-with-c